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Priority to JP7378171ApriorityCriticalpatent/JPS5018920B2/ja
Priority to US00261322Aprioritypatent/US3770705A/en
Priority to FR7225718Aprioritypatent/FR2145729B1/fr
Publication of JPS4839600ApublicationCriticalpatent/JPS4839600A/ja
Publication of JPS5018920B2publicationCriticalpatent/JPS5018920B2/ja